Taking into account the local weather in Pern is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually August and July with an average temp of 69°F, while the coldest months are January and February with an average of 43°F. The snowiest months in Pern are May, January, February, and March, with each month seeing an average of 5 inches of snowfall.